Vioxx-d5 biochemical product blog Tags: Biochemical; Vioxx-d5; Vioxx-d5 biochemical; Posted by mybiosource_staff on . The Vioxx-d5 n/a (Catalog #MBS6052888) is a Biochemical and is intended for research purposes only. The product is available for immediate purchase.To buy or view more detailed product information and pricing, please click on the technical datasheet page below:Vioxx-d5 (Major)A selective labeled cyclooxygenase-2 (COX-2) inhibitor. Use as an anti-inflammatory, analgesic.CAS Number: 544684-93-7Molecular Formula: C17H9D5O4S. Melting Point: 208-210 degree CSolubility: Chloroform, Methanol.